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<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=479863
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<head>
  <title>Test for Bug 479863</title>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=479863">Mozilla Bug 479863</a>
<p id="display"></p>
<div id="content" style="display: none">
  
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<video id='v1'></video><audio id='a1'></audio>
<video id='v2' preload="auto"></video><audio id='a2' preload="auto"></audio>

<pre id="test">
<script type="application/javascript">
var v1 = document.getElementById('v1');
var a1 = document.getElementById('a1');
var v2 = document.getElementById('v2');
var a2 = document.getElementById('a2');
is(v1.getAttribute("preload"), null, "video preload via getAttribute should be null by default");
is(a1.getAttribute("preload"), null, "video preload via getAttribute should be null by default");
is(v1.preload, "", "v1.preload should be empty by default");
is(a1.preload, "", "a1.preload should be empty by default");
is(v2.preload, "auto", "v2.preload should be auto");
is(a2.preload, "auto", "a2.preload should be auto");

v1.preload = "auto";
a1.preload = "auto";
is(v1.preload, "auto", "video.preload should be auto");
is(a1.preload, "auto", "audio.preload should be auto");
is(v1.getAttribute("preload"), "auto", "video preload attribute should be auto");
is(a1.getAttribute("preload"), "auto", "video preload attribute should be auto");

</script>
</pre>
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